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Launch

Last-second adjustments

We launched the balloon from Sturbridge MA at 11:45am on September 2nd, 2009. We concluded from local wind information and Balloon Trajectory Predictor website by University of Wyoming that the winds would be minimal on that day. Because of the limited cellphone coverage in the western parts of Massachusetts, we tried our very best to land the balloon east of Worcester, which is a city in the middle of Massachusetts. We selected the launch site by looking for the first open field after we exited the highway at Sturbridge. That landed us next to a company called Ryders. The vice-president of the company came out and helped us out. He even gave us free floss!

Greetings from South Africa. Very cool project – well done. Question: How did you determine the amount of Helium to use? I would have used just enough to life the payload. That way there would be room for maximum expansion in order to achieve maximum altitude. But 93000 feet is pretty amazing.